EP3561131A4 - High strength seamless stainless steel pipe for oil well and production method therefor - Google Patents
High strength seamless stainless steel pipe for oil well and production method therefor Download PDFInfo
- Publication number
- EP3561131A4 EP3561131A4 EP18758356.2A EP18758356A EP3561131A4 EP 3561131 A4 EP3561131 A4 EP 3561131A4 EP 18758356 A EP18758356 A EP 18758356A EP 3561131 A4 EP3561131 A4 EP 3561131A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- stainless steel
- steel pipe
- production method
- high strength
- oil well
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 title 1
- 239000003129 oil well Substances 0.000 title 1
- 229910001220 stainless steel Inorganic materials 0.000 title 1
- 239000010935 stainless steel Substances 0.000 title 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/08—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/18—Hardening; Quenching with or without subsequent tempering
- C21D1/19—Hardening; Quenching with or without subsequent tempering by interrupted quenching
- C21D1/22—Martempering
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/18—Hardening; Quenching with or without subsequent tempering
- C21D1/25—Hardening, combined with annealing between 300 degrees Celsius and 600 degrees Celsius, i.e. heat refining ("Vergüten")
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/004—Heat treatment of ferrous alloys containing Cr and Ni
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/10—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of tubular bodies
- C21D8/105—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of tubular bodies of ferrous alloys
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/08—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
- C21D9/085—Cooling or quenching
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/08—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
- C21D9/14—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes wear-resistant or pressure-resistant pipes
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/001—Ferrous alloys, e.g. steel alloys containing N
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/008—Ferrous alloys, e.g. steel alloys containing tin
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/52—Ferrous alloys, e.g. steel alloys containing chromium with nickel with cobalt
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/54—Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/001—Austenite
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/005—Ferrite
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/008—Martensite
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Heat Treatment Of Articles (AREA)
- Heat Treatment Of Steel (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017033009 | 2017-02-24 | ||
PCT/JP2018/001868 WO2018155041A1 (en) | 2017-02-24 | 2018-01-23 | High strength seamless stainless steel pipe for oil well and production method therefor |
Publications (3)
Publication Number | Publication Date |
---|---|
EP3561131A1 EP3561131A1 (en) | 2019-10-30 |
EP3561131A4 true EP3561131A4 (en) | 2019-12-25 |
EP3561131B1 EP3561131B1 (en) | 2021-01-20 |
Family
ID=63252576
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18758356.2A Active EP3561131B1 (en) | 2017-02-24 | 2018-01-23 | High strength seamless stainless steel pipe for oil well and production method therefor |
Country Status (8)
Country | Link |
---|---|
US (1) | US11306369B2 (en) |
EP (1) | EP3561131B1 (en) |
JP (1) | JP6399259B1 (en) |
CN (1) | CN110312816A (en) |
AR (1) | AR111060A1 (en) |
MX (1) | MX2019010035A (en) |
RU (1) | RU2716438C1 (en) |
WO (1) | WO2018155041A1 (en) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017010036A1 (en) | 2015-07-10 | 2017-01-19 | Jfeスチール株式会社 | High strength seamless stainless steel pipe and manufacturing method therefor |
US11085095B2 (en) * | 2016-02-08 | 2021-08-10 | Jfe Steel Corporation | High-strength seamless stainless steel pipe for oil country tubular goods and method of manufacturing high-strength seamless stainless steel pipe |
BR112018068914B1 (en) * | 2016-03-29 | 2022-02-15 | Jfe Steel Corporation | HIGH STRENGTH SEAMLESS STAINLESS STEEL PIPE FOR OIL WELL |
US11072835B2 (en) | 2016-07-27 | 2021-07-27 | Jfe Steel Corporation | High-strength seamless stainless steel pipe for oil country tubular goods, and method for producing the same |
JP6699670B2 (en) * | 2016-09-02 | 2020-05-27 | Jfeスチール株式会社 | Ferritic stainless steel |
JP6418338B2 (en) | 2016-09-02 | 2018-11-07 | Jfeスチール株式会社 | Ferritic stainless steel |
EP3569724B1 (en) | 2017-01-13 | 2022-02-02 | JFE Steel Corporation | High strength seamless stainless steel pipe and production method therefor |
JP6399259B1 (en) | 2017-02-24 | 2018-10-03 | Jfeスチール株式会社 | High strength stainless steel seamless steel pipe for oil well and method for producing the same |
WO2018179456A1 (en) | 2017-03-30 | 2018-10-04 | Jfeスチール株式会社 | Ferritic stainless steel |
US11365467B2 (en) * | 2017-05-26 | 2022-06-21 | Jfe Steel Corporation | Ferritic stainless steel |
US11286548B2 (en) | 2017-08-15 | 2022-03-29 | Jfe Steel Corporation | High-strength stainless steel seamless pipe for oil country tubular goods, and method for manufacturing same |
EP3690074A4 (en) | 2017-09-29 | 2020-08-05 | JFE Steel Corporation | Oil well pipe martensitic stainless seamless steel pipe and production method for same |
US11401570B2 (en) * | 2017-09-29 | 2022-08-02 | Jfe Steel Corporation | Martensitic stainless steel seamless pipe for oil country tubular goods, and method for manufacturing same |
WO2020202957A1 (en) | 2019-03-29 | 2020-10-08 | Jfeスチール株式会社 | Stainless seamless steel pipe |
US20230137295A1 (en) * | 2020-03-19 | 2023-05-04 | Jfe Steel Corporation | Stainless steel seamless pipe and method for manufacturing stainless steel seamless pipe |
CN115349024A (en) * | 2020-03-19 | 2022-11-15 | 杰富意钢铁株式会社 | Stainless steel seamless steel pipe and method for manufacturing stainless steel seamless steel pipe |
BR112022025826A2 (en) * | 2020-07-06 | 2023-01-17 | Jfe Steel Corp | SEAMLESS STAINLESS STEEL TUBE AND METHOD FOR MANUFACTURING THIS |
CN115807190A (en) * | 2022-11-28 | 2023-03-17 | 攀钢集团攀枝花钢铁研究院有限公司 | High-strength corrosion-resistant stainless steel seamless pipe for oil transportation and manufacturing method thereof |
WO2024113654A1 (en) * | 2023-04-21 | 2024-06-06 | 达力普石油专用管有限公司 | Corrosion-resistant high-toughness oil casing and preparation method therefor |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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EP2918697A1 (en) * | 2012-12-21 | 2015-09-16 | JFE Steel Corporation | High-strength stainless steel seamless pipe for oil wells and method for producing same |
JP2016132789A (en) * | 2015-01-16 | 2016-07-25 | Jfeスチール株式会社 | Manufacturing method of high strength two phase stainless seamless steel pipe |
JP2016172891A (en) * | 2015-03-17 | 2016-09-29 | Jfeスチール株式会社 | Production method of duplex stainless seamless steel tube |
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JPH07145452A (en) * | 1993-11-19 | 1995-06-06 | Nippon Steel Corp | High strength and high rusting resistant stainless steel excellent in weldability |
US5778714A (en) * | 1995-05-19 | 1998-07-14 | Nkk Corporation | Method for manufacturing seamless pipe |
JPH101755A (en) | 1996-04-15 | 1998-01-06 | Nippon Steel Corp | Martensitic stainless steel excellent in corrosion resistance and sulfide stress corrosion cracking resistance and its production |
CN100370048C (en) | 2002-06-14 | 2008-02-20 | 杰富意钢铁株式会社 | Heat-resistant ferritic stainless steel and method for production thereof |
US20040238079A1 (en) | 2002-06-19 | 2004-12-02 | Mitsuo Kimura | Stainless-steel pipe for oil well and process for producing the same |
JP5109222B2 (en) | 2003-08-19 | 2012-12-26 | Jfeスチール株式会社 | High strength stainless steel seamless steel pipe for oil well with excellent corrosion resistance and method for producing the same |
US7520942B2 (en) | 2004-09-22 | 2009-04-21 | Ut-Battelle, Llc | Nano-scale nitride-particle-strengthened high-temperature wrought ferritic and martensitic steels |
JP4893196B2 (en) | 2006-09-28 | 2012-03-07 | Jfeスチール株式会社 | High strength stainless steel pipe for oil well with high toughness and excellent corrosion resistance |
AR073884A1 (en) | 2008-10-30 | 2010-12-09 | Sumitomo Metal Ind | STAINLESS STEEL TUBE OF HIGH RESISTANCE EXCELLENT IN RESISTANCE TO FISURATION UNDER VOLTAGE SULFURS AND CORROSION OF GAS OF CARBONIC ACID IN HIGH TEMPERATURE. |
JP5487689B2 (en) | 2009-04-06 | 2014-05-07 | Jfeスチール株式会社 | Manufacturing method of martensitic stainless steel seamless pipe for oil well pipe |
AR076669A1 (en) | 2009-05-18 | 2011-06-29 | Sumitomo Metal Ind | STAINLESS STEEL FOR PETROLEUM WELLS, STAINLESS STEEL TUBE FOR PETROLEUM WELLS, AND STAINLESS STEEL MANUFACTURING METHOD FOR PETROLEUM WELLS |
MY158405A (en) * | 2010-04-28 | 2016-10-14 | Sumitomo Metal Ind | Seamless steel pipe for steam injection and method for manufacturing the same |
JP5640762B2 (en) | 2011-01-20 | 2014-12-17 | Jfeスチール株式会社 | High strength martensitic stainless steel seamless pipe for oil wells |
CN104204253B (en) * | 2012-03-26 | 2017-03-29 | 新日铁住金株式会社 | Oil well stainless steel and oil well stainless steel tube |
JP5488643B2 (en) * | 2012-05-31 | 2014-05-14 | Jfeスチール株式会社 | High strength stainless steel seamless pipe for oil country tubular goods and method for producing the same |
JP5924256B2 (en) | 2012-06-21 | 2016-05-25 | Jfeスチール株式会社 | High strength stainless steel seamless pipe for oil well with excellent corrosion resistance and manufacturing method thereof |
EP2947167B1 (en) | 2013-01-16 | 2016-12-07 | JFE Steel Corporation | Stainless steel seamless tube for use in oil well and manufacturing process therefor |
JP6075349B2 (en) | 2013-10-08 | 2017-02-08 | Jfeスチール株式会社 | Ferritic stainless steel |
JP6102798B2 (en) | 2014-02-28 | 2017-03-29 | Jfeスチール株式会社 | Manufacturing method of martensitic stainless steel pipe for line pipe excellent in reel barge laying |
WO2015178022A1 (en) | 2014-05-21 | 2015-11-26 | Jfeスチール株式会社 | High-strength stainless steel seamless pipe for oil well, and method for producing same |
JP6159775B2 (en) | 2014-10-31 | 2017-07-05 | 新日鐵住金ステンレス株式会社 | Ferritic stainless steel with excellent resistance to exhaust gas condensate corrosion and brazing, and method for producing the same |
JP6237873B2 (en) | 2014-11-19 | 2017-11-29 | Jfeスチール株式会社 | High strength stainless steel seamless steel pipe for oil well |
US10837073B2 (en) | 2015-02-20 | 2020-11-17 | Jfe Steel Corporation | High-strength heavy-walled stainless steel seamless tube or pipe and method of manufacturing the same |
WO2017010036A1 (en) | 2015-07-10 | 2017-01-19 | Jfeスチール株式会社 | High strength seamless stainless steel pipe and manufacturing method therefor |
JP6156609B1 (en) * | 2016-02-08 | 2017-07-05 | Jfeスチール株式会社 | High strength stainless steel seamless steel pipe for oil well and method for producing the same |
US11085095B2 (en) | 2016-02-08 | 2021-08-10 | Jfe Steel Corporation | High-strength seamless stainless steel pipe for oil country tubular goods and method of manufacturing high-strength seamless stainless steel pipe |
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JP6418338B2 (en) | 2016-09-02 | 2018-11-07 | Jfeスチール株式会社 | Ferritic stainless steel |
JP6699670B2 (en) | 2016-09-02 | 2020-05-27 | Jfeスチール株式会社 | Ferritic stainless steel |
EP3569724B1 (en) | 2017-01-13 | 2022-02-02 | JFE Steel Corporation | High strength seamless stainless steel pipe and production method therefor |
EP3556880A4 (en) | 2017-01-26 | 2019-12-04 | JFE Steel Corporation | Ferrite stainless hot-rolled steel sheet and production method therefor |
JP6399259B1 (en) | 2017-02-24 | 2018-10-03 | Jfeスチール株式会社 | High strength stainless steel seamless steel pipe for oil well and method for producing the same |
US11365467B2 (en) | 2017-05-26 | 2022-06-21 | Jfe Steel Corporation | Ferritic stainless steel |
US11286548B2 (en) | 2017-08-15 | 2022-03-29 | Jfe Steel Corporation | High-strength stainless steel seamless pipe for oil country tubular goods, and method for manufacturing same |
-
2018
- 2018-01-23 JP JP2018526260A patent/JP6399259B1/en active Active
- 2018-01-23 MX MX2019010035A patent/MX2019010035A/en unknown
- 2018-01-23 WO PCT/JP2018/001868 patent/WO2018155041A1/en unknown
- 2018-01-23 EP EP18758356.2A patent/EP3561131B1/en active Active
- 2018-01-23 CN CN201880012878.3A patent/CN110312816A/en active Pending
- 2018-01-23 US US16/487,203 patent/US11306369B2/en active Active
- 2018-01-23 RU RU2019126391A patent/RU2716438C1/en active
- 2018-02-22 AR ARP180100406A patent/AR111060A1/en active IP Right Grant
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2918697A1 (en) * | 2012-12-21 | 2015-09-16 | JFE Steel Corporation | High-strength stainless steel seamless pipe for oil wells and method for producing same |
JP2016132789A (en) * | 2015-01-16 | 2016-07-25 | Jfeスチール株式会社 | Manufacturing method of high strength two phase stainless seamless steel pipe |
JP2016172891A (en) * | 2015-03-17 | 2016-09-29 | Jfeスチール株式会社 | Production method of duplex stainless seamless steel tube |
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JP6399259B1 (en) | 2018-10-03 |
CN110312816A (en) | 2019-10-08 |
AR111060A1 (en) | 2019-05-29 |
JPWO2018155041A1 (en) | 2019-02-28 |
BR112019017105A2 (en) | 2020-04-14 |
US20190376157A1 (en) | 2019-12-12 |
EP3561131A1 (en) | 2019-10-30 |
EP3561131B1 (en) | 2021-01-20 |
RU2716438C1 (en) | 2020-03-12 |
WO2018155041A1 (en) | 2018-08-30 |
MX2019010035A (en) | 2019-09-26 |
US11306369B2 (en) | 2022-04-19 |
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